US Bridges

SR1147 over South Potts Creek

Good

Davidson County, North Carolina · 0.1 Mi. S. Jct. SR1153 · Structure no. 000000000570404

Built
2005
20 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
231 ft
3 main spans
Daily traffic
2,800
2021 count
Owner
State
State Highway Agency

About this bridge

SR1147 over South Potts Creek is a prestressed concrete stringer/multi-beam or girder carrying SR1147 over South Potts Creek in Davidson County, North Carolina. It was built in 2005, so it is 20 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,800 vehicles a day, roughly 6% of them trucks, projected to reach 5,600 by 2040. The structure is 231 ft (70.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1147
CrossesSouth Potts Creek
Location0.1 Mi. S. Jct. SR1153
RouteState Highway 1147
Coordinates35.75256, -80.35506
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length231 ft (70.4 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2021)
Projected traffic5,600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1147 over South Potts Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR1147 over South Potts Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does SR1147 over South Potts Creek carry?

About 2,800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1147 over South Potts Creek?

The structure is 231 ft (70.4 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns SR1147 over South Potts Creek?

It is owned by the State Highway Agency.